English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

2006-08-24 04:37:59 · 8 answers · asked by Pixie 1 in Science & Mathematics Physics

8 answers

The use of something called a degree is arbitrary. You could call it anything you wanted.

The real challenge is how to define it.

The degree came about very simply from deciding that there are two temperature points that are the same in all parts of the globe at a given altitude.

Those two points are:
1. Freezing point of water
2. Boiling point of water
Both are established at sea level. 0 altitude

Then the Celsius sytems (used to be called Centigrade) divide the difference between the two by 100 and called each a degree.
This approach is used in the metric system. Zero degrees C is the freezing point and 100 degrees is the boiling point.

The Farenheit system is different but based on the same principle. The freezing point of water is 32 degrees farneheit and the boiling point of water is 212 degrees. One degree is divining these two points by 180.

We use the Farenhheit system in the US except in science and engineering where the Celsius system is used.

2006-08-24 04:45:45 · answer #1 · answered by Carl 3 · 1 0

I'm assuming you mean degree celsius.
Let's make a few things clear.
The kelvin (symbol: K) is NoT the "correct" unit. It is the SI unit. In other words, it is the most commonly used unit by scientists when they want to talk about temperature. The kelvin is part of the "absolute scale" and is known as that because the 0 K is known as "absolute zero", the lowest possible temperature (theoretical). 0 K is the temperature at which no more heat can be removed from a system.
The farenheit and the centigrade scales are not "wrong" units for temperature. They're just not SI.
I believe the degree celsius is the most commonly used unit for temperature (outside of the USA) because it is easily remembered (ice melts at 0 degrees and water boils at 100).

2006-08-24 04:49:58 · answer #2 · answered by clon 2 · 1 0

Because that is how to measure a unit of temperature. If the word doghouse was used as the word that described what we mean as a unit of measurement of temperature, then we would have grown up saying "Whew, sure is hot out there, I heard it was 101 doghouses out there!", but we use the word degree. So there you have it!

2006-08-24 05:06:14 · answer #3 · answered by tuckintee 2 · 1 0

That is like saying why do we use gram as a unit of weight or second as a unit of time.

Do you have a different unit of temperature in mind? If so, why should we use that?

2006-08-24 04:57:57 · answer #4 · answered by campbelp2002 7 · 1 0

The correct measure of temperature should be "Kelvin", stating 0 Kelvin as our equivalent -273.15 deg C!
But how would you feel if I said "It's cold today, only 280 Kelvins..."
Celcius scale is just more practical for day to day use.

2006-08-24 04:41:40 · answer #5 · answered by just "JR" 7 · 0 0

why use celcius, cause someone just made up a word some day and told people want it meant.

2006-08-24 04:39:21 · answer #6 · answered by ry_3906 2 · 0 0

I prefer calorie.

2006-08-24 04:43:09 · answer #7 · answered by Anonymous · 0 0

Because they wanted to!

2006-08-24 04:39:08 · answer #8 · answered by pamphetamine 2 · 0 1

fedest.com, questions and answers